Sport boot



FIG. 1 is a top, front and right side perspective view of a sport boot showing my new design, the broken line showing of a skate frame and wheels being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for a sport boot, as shown and described. 